Changes made by 1999/243/EC: Commission Decision of 16 September 1998 relating to a proceeding pursuant to Articles 85 and 86 of the EC Treaty (Case No IV/35.134 - Trans-Atlantic Conference Agreement) (notified under document number C(1998)2617)
EU Decision 1999/243
No changes made by 1999/243/EC: Commission Decision of 16 September 1998 relating to a proceeding pursuant to Articles 85 and 86 of the EC Treaty (Case No IV/35.134 - Trans-Atlantic Conference Agreement) (notified under document number C(1998)2617) are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.